import ReactQuill from "react-quill"
import { useEffect, useState } from "react"
import { Link, useSearchParams } from "react-router-dom"
import { Card, Breadcrumb, Form, Radio, Input, Upload, Space, Select, Button, message } from "antd"
import { PlusOutlined } from "@ant-design/icons"
import { createArticleAPI, getArticleById, updateArticleAPI } from "@/apis/article"
import { useChannel } from "@/hooks/useChannel"
import "./index.scss"
import "react-quill/dist/quill.snow.css"

const { Option } = Select

const Publish = () => {
  // 获取频道列表
  const { channelList } = useChannel()

  // 提交表单
  const onFinish = async formValue => {
    // 校验封面类型 imageType是否和实际的图片列表 imageList数量相等的
    if (imageList.length !== imageType) return message.warning("封面类型和图片数量不匹配")
    const { title, content, channel_id } = formValue
    //  1. 按照接口文档的格式处理收集的表单数据
    const reqData = {
      title,
      content,
      cover: {
        type: imageType,
        images: imageList.map(item => {
          if (item.response) {
            return item.response.data.url
          } else {
            return item.url
          }
        }),
      },
      channel_id,
    }
    // 2. 调用接口提交
    // 处理调用不同的接口 新增-新增接口 编辑状态-更新接口
    if (articleId) {
      // 更新接口
      updateArticleAPI({ ...reqData, id: articleId })
    } else {
      createArticleAPI(reqData)
    }
  }

  // 上传回调
  const [imageList, setImageList] = useState([])
  const onChange = value => {
    console.log("正在上传中", value)
    setImageList(value.fileList)
  }

  // 切换图片封面类型
  const [imageType, setImageType] = useState(0)
  const onTypeChange = e => {
    console.log("切换封面了", e.target.value)
    setImageType(e.target.value)
  }

  // 回填数据
  const [searchParams] = useSearchParams()
  const articleId = searchParams.get("id")
  // 获取实例
  const [form] = Form.useForm()
  console.log(articleId)
  useEffect(() => {
    // 1. 通过id获取数据
    async function getArticleDetail() {
      const res = await getArticleById(articleId)
      const data = res.data
      const { cover } = data
      form.setFieldsValue({
        ...data,
        type: cover.type,
      })
      // 回填图片类型
      setImageType(cover.type)
      // 显示图片{url: url}
      setImageList(
        cover.images.map(url => {
          return { url }
        })
      )
    }

    if (articleId) {
      getArticleDetail() //只有id存在才调用
    }
    // 2. 调用实例方法 完成回调
  }, [articleId, form])

  return (
    <div className="publish">
      <Card
        title={
          <Breadcrumb
            items={[
              { title: <Link to={"/"}>首页</Link> },
              { title: `${articleId ? "编辑" : "发布"}文章` },
            ]}
          />
        }
      >
        <Form
          labelCol={{ span: 4 }}
          wrapperCol={{ span: 16 }}
          initialValues={{ type: 0 }}
          onFinish={onFinish}
          form={form}
        >
          <Form.Item
            label="标题"
            name="title"
            rules={[{ required: true, message: "请输入文章标题" }]}
          >
            <Input placeholder="请输入文章标题" style={{ width: 400 }} />
          </Form.Item>
          <Form.Item
            label="频道"
            name="channel_id"
            rules={[{ required: true, message: "请选择文章频道" }]}
          >
            <Select placeholder="请选择文章频道" style={{ width: 400 }}>
              {channelList.map(item => (
                <Option key={item.id} value={item.id}>
                  {item.name}
                </Option>
              ))}
            </Select>
          </Form.Item>

          <Form.Item label="封面" name="type">
            <Radio.Group name="radiogroup" onChange={onTypeChange}>
              <Radio value={1}>单图</Radio>
              <Radio value={3}>三图</Radio>
              <Radio value={0}>无图</Radio>
            </Radio.Group>

            {imageType > 0 && (
              <Upload
                listType="picture-card"
                showUploadList
                name="image"
                action={"http://geek.itheima.net/v1_0/upload"}
                onChange={onChange}
                maxCount={imageType}
                fileList={imageList}
              >
                <div style={{ marginTop: 8 }}>
                  <PlusOutlined />
                </div>
              </Upload>
            )}
          </Form.Item>
          <Form.Item
            label="内容"
            name="content"
            rules={[{ required: true, message: "请输入文章内容" }]}
          >
            {/* 富文本编辑器 */}
            <ReactQuill className="publish-quill" theme="snow" />
          </Form.Item>
          <Form.Item wrapperCol={{ offset: 4 }}>
            <Space>
              <Button size="large" type="primary" htmlType="submit">
                发布文章
              </Button>
            </Space>
          </Form.Item>
        </Form>
      </Card>
    </div>
  )
}
export default Publish
